From bd729c5d578edf91eb10a1ba7560f57475ff5a96 Mon Sep 17 00:00:00 2001
From: John Washam <john@readyprompt.com>
Date: Mon, 29 Aug 2016 21:00:04 -0700
Subject: [PATCH] Changed for 32-bit.

---
 CMakeLists.txt          |  1 +
 assembly/CMakeLists.txt |  5 +++++
 assembly/main.c         |  2 +-
 assembly/main.s         | 40 ++++++++++++++++++++++++----------------
 4 files changed, 31 insertions(+), 17 deletions(-)
 create mode 100644 assembly/CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6b47002..43ee6c6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,3 +16,4 @@ add_subdirectory(quick_sort)
 add_subdirectory(graphs)
 add_subdirectory(interview)
 add_subdirectory(forking)
+add_subdirectory(assembly)
diff --git a/assembly/CMakeLists.txt b/assembly/CMakeLists.txt
new file mode 100644
index 0000000..2d5a520
--- /dev/null
+++ b/assembly/CMakeLists.txt
@@ -0,0 +1,5 @@
+cmake_minimum_required(VERSION 3.5)
+project(asm1_proj)
+
+set(SOURCE_FILES main.c)
+add_executable(asm1 ${SOURCE_FILES})
\ No newline at end of file
diff --git a/assembly/main.c b/assembly/main.c
index 7d62c8a..b6a75b4 100644
--- a/assembly/main.c
+++ b/assembly/main.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 /*
  * Just a simple program so I can inspect the assembly code.
- * gcc -O2 -S -c main.c
+ * gcc -m32 -S -c main.c
  */
 
 int main(int argc, char *argv[]) {
diff --git a/assembly/main.s b/assembly/main.s
index ab635e0..d8105bc 100644
--- a/assembly/main.s
+++ b/assembly/main.s
@@ -3,24 +3,32 @@
 	.globl	_main
 	.align	4, 0x90
 _main:                                  ## @main
-	.cfi_startproc
 ## BB#0:
-	pushq	%rbp
-Ltmp0:
-	.cfi_def_cfa_offset 16
-Ltmp1:
-	.cfi_offset %rbp, -16
-	movq	%rsp, %rbp
-Ltmp2:
-	.cfi_def_cfa_register %rbp
-	leaq	L_.str(%rip), %rdi
+	pushl	%ebp
+	movl	%esp, %ebp
+	pushl	%esi
+	subl	$36, %esp
+	calll	L0$pb
+L0$pb:
+	popl	%eax
+	movl	12(%ebp), %ecx
+	movl	8(%ebp), %edx
+	leal	L_.str-L0$pb(%eax), %eax
 	movl	$12345, %esi            ## imm = 0x3039
-	xorl	%eax, %eax
-	callq	_printf
-	movl	$61453, %eax            ## imm = 0xF00D
-	popq	%rbp
-	retq
-	.cfi_endproc
+	movl	$0, -8(%ebp)
+	movl	%edx, -12(%ebp)
+	movl	%ecx, -16(%ebp)
+	movl	%eax, (%esp)
+	movl	$12345, 4(%esp)         ## imm = 0x3039
+	movl	%esi, -20(%ebp)         ## 4-byte Spill
+	calll	_printf
+	movl	$61453, %ecx            ## imm = 0xF00D
+	movl	%eax, -24(%ebp)         ## 4-byte Spill
+	movl	%ecx, %eax
+	addl	$36, %esp
+	popl	%esi
+	popl	%ebp
+	retl
 
 	.section	__TEXT,__cstring,cstring_literals
 L_.str:                                 ## @.str